The Universe, Beyond the Big Bang

The Universe, Beyond the Big Bang

noEnigmaSaturday, April 23, 2011

As far as we can tell, the expansion of the Universe started many billions of years ago from a very hot, very small state.  From that ...

One Year Later, images of the Gulf Oil Spill

One Year Later, images of the Gulf Oil Spill

noEnigmaFriday, April 22, 2011

Over the past year, two NASA satellites have captured images of the oil spill in the Gulf of Mexico, which began April 20, 2010, with the ex...

A Linha e a Barragem da Foz do Tua

A Linha e a Barragem da Foz do Tua

noEnigmaThursday, April 21, 2011

O aproveitamento da Foz do Tua situa-se no rio Tua, afluente da margem direita do rio Douro, a cerca de 1,1 km da confluência destes dois...